Re: [gentoo-user] /dev permissions

Re: [gentoo-user] /dev permissions

[Chris Cox]

On Sunday 19 June 2005 06:09 pm, Qv6 wrote:
> Hello:
>
> Just looked under /dev and observed that the ownership of all the
> entries are root:root with mostly 555 permissions. Is this the default
> or do I have to change anything? Here's a snip from "ls -l /dev"
>
> lr-xr-xr-x  1 root   root     10 Jun 17 06:55 adsp -> sound/adsp
> lr-xr-xr-x  1 root   root     12 Jun 17 06:55 agpgart -> misc/agpgart
> lr-xr-xr-x  1 root   root     11 Jun 17 06:55 audio -> sound/audio
> lr-xr-xr-x  1 root   root     13 Jun 17 06:55 cdrom -> cdroms/cdrom0
> drwxr-xr-x  1 root   root     0 Dec 31  1969 cdroms
>
> drwxr-xr-x  1 root   root      0 Dec 31  1969 discs
> drwxr-xr-x  1 root   root      0 Jun 17 06:55 dri
> lr-xr-xr-x  1 root   root      9 Jun 17 06:55 dsp -> sound/dsp
> lr-xr-xr-x  1 root   root      8 Jun 17 06:55 dvd -> /dev/hdc
>
> drwxr-xr-x  1 root   root      0 Dec 31  1969 floppy
>
> drwxr-xr-x  1 root   root      0 Dec 31  1969 usb
>
> Is this the reason why I cannot play dvd movies?
>

They all say root:root because those are symlinks that point to a 
directory/file.  So, the entry:
lr-xr-xr-x  1 root   root     13 Jun 17 06:55 cdrom -> cdroms/cdrom0

would point to:

 brw-rw----  1 root cdrom 22, 0 Jul 18 19:27 hdc

Notice the permission is root:cdrom and not root:root.  Hope this info helps 
clear things up.

-- 
Chris
Linux 2.6.12-gentoo-r5 i686 AMD Athlon(tm) XP 
 20:24:28 up 1 day, 11:56,  5 users,  load average: 0.78, 0.90, 0.86
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